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<□□But kissing is not□ju□t a romantic gestur□□it al□o ha□ scientif□c be□efits□□W□en□we□k□ss, o□r □r□ins release □ coc□tail of□chemic□ls l□ke oxy□o□i□, do□a□ine,□and serotonin, known □□ □he □love hormones□" These chemicals can reduce stress, boost mood, and □reate feelings of attac□me□t and bondin□. Kissing □l□□ s□reng□hens o□r□i□m□ne syst□m by e□p□sing □s □o a va□ie□y of□ba□teria that can he□p □uil□ immunity.□>□点之□
观□的热情与喜爱<□h2>□